Improvements to save and loading

Improvements to Chinthe animation logic
Fix broken Godot Tool system and just use a more manual approach to setting map nodes
Remove ItemDatabase from individual room scenes

Zennysoft.Game.Ma/src/items/effect/EffectItem.cs

@@ -28,6 +28,7 @@ public partial class EffectItem : InventoryItem
 
   public override float ThrowSpeed => Stats.ThrowSpeed;
 
+  [Save("usable_tag")]
   public UsableItemTag UsableItemTag => Stats.UsableItemTag;
 
   public override ItemTag ItemTag => Stats.ItemTag;